[amsat-bb] 2.4 Antennas
I've put together a 2.4 ghz antenna BUT! its only working at maybe 20% so my question is what is a good 2.4 antenna? Thank You Douglas Anoman KC9MLN Amsat #37043 ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
[amsat-bb] Re: 2.4 Antennas
What kind of antenna did you make? How did you measure how well it's working? Greg KO6TH From: dano...@email.itt-tech.edu To: amsat-bb@amsat.org Date: Sat, 20 Jun 2009 10:56:00 + Subject: [amsat-bb] 2.4 Antennas I've put together a 2.4 ghz antenna BUT! its only working at maybe 20% so my question is what is a good 2.4 antenna? Thank You Douglas Anoman KC9MLN Amsat #37043 ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb _ Bing™ brings you maps, menus, and reviews organized in one place. Try it now. http://www.bing.com/search?q=restaurantsform=MLOGENpubl=WLHMTAGcrea=TEXT_MLOGEN_Core_tagline_local_1x1 ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
[amsat-bb] Re: 2.4 Antennas
If you remove the 80% that doesn't work.. Douglas Anoman wrote: I've put together a 2.4 ghz antenna BUT! its only working at maybe 20% so my question is what is a good 2.4 antenna? ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
[amsat-bb] SO50 1409 - 1425 UTC june 20 2009
Good after noon/evening. Or morning if you live in that part of the world Question Does any one have audio of the S050 pass this morning at 1409 UTC? Till about 1425 or 1430 The contact I am looking for happend around 1416-1417 I think it was KD?CES he returned my call about then I am just trying to find out who it was and what I sounded like on the downlink Oh I did have my minidv recording at the time, but the audio is weak And I was on my TH-D7ag with just the rubber duckie antenna He (or someone close to that call) returned my call but I just want to verify it Thanks, LeRoy, KD8BXP Sent on the Now Network� from my Sprint® BlackBerry ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
[amsat-bb] Re: 2.4 Antennas
On 20 Jun 2009 at 15:51, David - KG4ZLB wrote: Yes, having just had a nightmare week of S band downlink, I am curious as to how 20% is calculated! If its 20% of the overall pass of the bird then you are doing very well methinks! After multiple 2.4Ghz antenna tested this wifi yagi outperform anything tested before you can have the specs on www.cushcraft.com and look for the PC2415N It is not cheap but watch e-bay there is a lot at an affordable price. I can send you the specs directly if you want to have it. - Luc Leblanc VE2DWE Skype VE2DWE www.qsl.net/ve2dwe WAC BASIC CW PHONE SATELLITE ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
[amsat-bb] Re: G-5500 rotor motor intermittent
and the Ele was near 2-3 ohms and the Ele was open. Michael I believe you have a typo and mean the AZ was open? I have not followed this entire thread so I don't specifically know what the intermittent part means. Random failures regardless of the position of the rotator or failures at nearly the same rotator position? Before bringing down the rotators, reseat the connectors at the rotator and inspect for corrosion on the contacts. Also while you are up at the rotators check your loop of cables that they are not stressed as they coil and uncoil during rotation and are not putting strain on the connectors. You can also open and inspect the connector. This is not a solution for your issues but rather just some observations. The beauty of the G5500 is that both EL and AZ rotators have limit switches and the phasing capacitors are in each rotator. So you can swap the cables at the controller from AZ to EL to see if the problem moves with the cables. If it does not, then the issue would be within the controller. If you swapping the connectors at the rotators and see if the problem move to the other rotator it would indicate cable or connector ( male ) problems. For those with the G5400 life is more complicated as the capacitor for the AZ rotator is in the rotator but the EL capacitor is in the controller box. Worse, the EL is the only one with limit switches ( AZ has thermal overload ) and neither of the rotators have that nice quick connector but rather the terminal strip. Ya, and it goes 450 degrees AZ instead of 360. So you CAN NOT SWAP cables to trouble shoot a GB5400B combo! -Original Message- From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On Behalf Of Michael Hatzakis Jr MD Sent: June 20, 2009 7:54 PM To: amsat-bb@amsat.org Subject: [amsat-bb] Re: G-5500 rotor motor intermittent Ok, sorry for the additional post, this is a follow up. After my debugging session today, I am fast-forwarding to what I expect will be the ending to this little fairy tail, that is, I see me climbing up and pulling down this damn rotor to either replace or repair. So, next natural question is, if I am going to repair, what should I repair while I have it open or are there people who do a good job in rebuilding Yaesu rotors, roughly 5 years old?? Michael K3MH -Original Message- From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On Behalf Of Michael Hatzakis Jr MD Sent: Saturday, June 20, 2009 5:41 PM To: 'Angelo Glorioso'; glasbren...@mindspring.com Cc: amsat-bb@amsat.org Subject: [amsat-bb] G-5500 rotor motor intermittent Andrew and group, Read this post and others about the 5500, and I am trying to figure out what do with my rotor or my controller. My rotor has become more and more intermittent over time, so I opened up my cables and put molex connectors in line so I can debug. I started with impedance of the rotor. My Elevation is working now and my rotation is not. I pulled out the schematic and see that the rotor motor is on 4-5-6 with the common on 6 each and the up/down or left/right on 4-5. I measured the impedance of 4 5 against 6, and the Ele was near 2-3 ohms and the Ele was open. I am wondering if this is an intermittent internal limit switch? Taking my rotor apart is a huge deal, so I want to be sure I am looking at this situation correctly and what else should I be looking for or measuring? Michael K3MH -Original Message- From: owner-amsat...@amsat.org [mailto:owner-amsat...@amsat.org] On Behalf Of Angelo Glorioso Sent: Monday, March 28, 2005 8:21 AM To: glasbren...@mindspring.com Cc: amsat-bb@amsat.org Subject: RE: [amsat-bb] G-5500 rotor motor woes Hi Drew, At least you got 3 years out of yours. I had my G-500 a month before the motor went out and had to send it to Yaesu. Everything was balance as well. What I think happened is one of the buttons on the control box got stuck in one direction and caused the motor to burn up. What I did was change the fuse that Yaesu uses from a 2 amp AGC to a 1 amp slow blow fuse. Just in case this happens again, at least the fuse will blow before causing the motor to go out. 73 de Angelo - If you don't ask, you will never know!! From: Andrew Glasbrenner glasbren...@mindspring.com Reply-To: Andrew Glasbrenner glasbren...@mindspring.com To: amsat-bb@amsat.org Subject: [amsat-bb] G-5500 rotor motor woes Date: Mon, 28 Mar 2005 09:20:31 -0500 (GMT-05:00) About 3 weeks ago my azimuth rotor motor bit the dust. The rotor turned left fine, but not right. I tore into the unit and found the windings on the motor to show 4 ohms in one direction, and only 1.5 in the other. Yaesu wanted about $90 and shipping for a replacement, but I found a G-450 locally for about the same money. After swapping the motors (identical) and reassembling it seems to work fine, but I can find no reason for the failure. Anyone been down this
[amsat-bb] Re: SO50 1409 - 1425 UTC june 20 2009
Thanks to Rick, WA4NVM I now have the audio and the missing piece to the puzzle KD8CAO came back to me --Original Message-- From: kd8...@aol.com Sender: amsat-bb-boun...@amsat.org Cc: amsat-bb@amsat.org ReplyTo: kd8...@aol.com Subject: [amsat-bb] SO50 1409 - 1425 UTC june 20 2009 Sent: Jun 20, 2009 6:05 PM Good after noon/evening. Or morning if you live in that part of the world Question Does any one have audio of the S050 pass this morning at 1409 UTC? Till about 1425 or 1430 The contact I am looking for happend around 1416-1417 I think it was KD?CES he returned my call about then I am just trying to find out who it was and what I sounded like on the downlink Oh I did have my minidv recording at the time, but the audio is weak And I was on my TH-D7ag with just the rubber duckie antenna He (or someone close to that call) returned my call but I just want to verify it Thanks, LeRoy, KD8BXP Sent on the Now Network from my Sprint® BlackBerry Sent on the Now Network� from my Sprint® BlackBerry ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
[amsat-bb] Re: G-5500 rotor motor intermittent
Thanks Alan, Stan, W1LE just e-mailed me direct, but will share with the group as well some additional corrections... and, there is no thread to follow, this is the first post... My gut suspicion is that there is a damaged or intermittent limit switch and/or position wiper. But I forgot I could swap the connectors at the rotor and I will try this, great idea, just in case the cable got torqued in the storms. A few observations, 1.) Controller: I opened the wires and put molex so I can detach and debug easily. Controller appears fine. Using the molex approach, I switched Azi and Ele and the symptoms moved. The meter indicator is not intermittent. The Azi, it is at 0, no motion. Ele works fine. 2.) Rotor: I have the rotor up on top of the chimney and then another 12 feet higher because of high trees all over and to clear the chimney itself. A superficial inspection yields little. On Ele: impedance from 4 or 5 to 6 both 2-3 ohms including 120 feet of cable, impressive. From 1-3 508 ohms and 2-3 504 ohms and 1-2 4 ohms On Azi: impedance from 4 or 5 to 6 both open. From 1-3 368 ohms and 2-3, 0 ohms and 1-2 367ohms Michael K3MH -Original Message- From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On Behalf Of Alan VE4YZ Sent: Saturday, June 20, 2009 6:47 PM To: 'Michael Hatzakis Jr MD'; amsat-bb@amsat.org Subject: [amsat-bb] Re: G-5500 rotor motor intermittent and the Ele was near 2-3 ohms and the Ele was open. Michael I believe you have a typo and mean the AZ was open? I have not followed this entire thread so I don't specifically know what the intermittent part means. Random failures regardless of the position of the rotator or failures at nearly the same rotator position? Before bringing down the rotators, reseat the connectors at the rotator and inspect for corrosion on the contacts. Also while you are up at the rotators check your loop of cables that they are not stressed as they coil and uncoil during rotation and are not putting strain on the connectors. You can also open and inspect the connector. This is not a solution for your issues but rather just some observations. The beauty of the G5500 is that both EL and AZ rotators have limit switches and the phasing capacitors are in each rotator. So you can swap the cables at the controller from AZ to EL to see if the problem moves with the cables. If it does not, then the issue would be within the controller. If you swapping the connectors at the rotators and see if the problem move to the other rotator it would indicate cable or connector ( male ) problems. For those with the G5400 life is more complicated as the capacitor for the AZ rotator is in the rotator but the EL capacitor is in the controller box. Worse, the EL is the only one with limit switches ( AZ has thermal overload ) and neither of the rotators have that nice quick connector but rather the terminal strip. Ya, and it goes 450 degrees AZ instead of 360. So you CAN NOT SWAP cables to trouble shoot a GB5400B combo! -Original Message- From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On Behalf Of Michael Hatzakis Jr MD Sent: June 20, 2009 7:54 PM To: amsat-bb@amsat.org Subject: [amsat-bb] Re: G-5500 rotor motor intermittent Ok, sorry for the additional post, this is a follow up. After my debugging session today, I am fast-forwarding to what I expect will be the ending to this little fairy tail, that is, I see me climbing up and pulling down this damn rotor to either replace or repair. So, next natural question is, if I am going to repair, what should I repair while I have it open or are there people who do a good job in rebuilding Yaesu rotors, roughly 5 years old?? Michael K3MH -Original Message- From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On Behalf Of Michael Hatzakis Jr MD Sent: Saturday, June 20, 2009 5:41 PM To: 'Angelo Glorioso'; glasbren...@mindspring.com Cc: amsat-bb@amsat.org Subject: [amsat-bb] G-5500 rotor motor intermittent Andrew and group, Read this post and others about the 5500, and I am trying to figure out what do with my rotor or my controller. My rotor has become more and more intermittent over time, so I opened up my cables and put molex connectors in line so I can debug. I started with impedance of the rotor. My Elevation is working now and my rotation is not. I pulled out the schematic and see that the rotor motor is on 4-5-6 with the common on 6 each and the up/down or left/right on 4-5. I measured the impedance of 4 5 against 6, and the Ele was near 2-3 ohms and the Ele was open. I am wondering if this is an intermittent internal limit switch? Taking my rotor apart is a huge deal, so I want to be sure I am looking at this situation correctly and what else should I be looking for or measuring? Michael K3MH -Original Message- From: owner-amsat...@amsat.org [mailto:owner-amsat...@amsat.org] On Behalf Of Angelo
[amsat-bb] Field day and FO29
I need some help with the schedule for FO-29 The current listing schedule begins with July 1, And I need the schedule for June 27th 18:00 UTC to June 28th 18:00 UTC. Can anyone help me with this? Thanks, Art ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
[amsat-bb] Re: Field day and FO29
It appears to be in its normal mode as Drew said. I was just listening to it about 2130 PDST, and there was quite a bit of activity. Unfortunately my own uplink is clobbering my downlink and I didn't have any success in making any contacts. I'm going to try the duplexer trick Sunday morning to see if it helps with the desense problems I'm having. Using two M2 eggbeaters with SSB USA preamps, and they're only about 8 feet apart. 73, Jim KQ6EA --- On Sat, 6/20/09, Andrew Glasbrenner glasbren...@mindspring.com wrote: From: Andrew Glasbrenner glasbren...@mindspring.com Subject: [amsat-bb] Re: Field day and FO29 To: kc6...@cox.net, AMSAT-BB amsat-bb@amsat.org Date: Saturday, June 20, 2009, 8:31 PM I believe FO-29 is operating continuously in Mode V/u analog at present. 73, Drew KO4MA - Original Message - From: Art McBride kc6...@cox.net To: AMSAT-BB amsat-bb@amsat.org Sent: Saturday, June 20, 2009 11:00 PM Subject: [amsat-bb] Field day and FO29 I need some help with the schedule for FO-29 The current listing schedule begins with July 1, And I need the schedule for June 27th 18:00 UTC to June 28th 18:00 UTC. Can anyone help me with this? Thanks, Art ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
[amsat-bb] Re: Field day and FO29
Thanks for all of the replies, I will be trying for it on FD. Art, KC6UQH _ From: Jim Jerzycke [mailto:kq...@pacbell.net] Sent: Saturday, June 20, 2009 9:42 PM To: kc6...@cox.net; AMSAT-BB; Andrew Glasbrenner Subject: Re: [amsat-bb] Re: Field day and FO29 It appears to be in its normal mode as Drew said. I was just listening to it about 2130 PDST, and there was quite a bit of activity. Unfortunately my own uplink is clobbering my downlink and I didn't have any success in making any contacts. I'm going to try the duplexer trick Sunday morning to see if it helps with the desense problems I'm having. Using two M2 eggbeaters with SSB USA preamps, and they're only about 8 feet apart. 73, Jim KQ6EA --- On Sat, 6/20/09, Andrew Glasbrenner glasbren...@mindspring.com wrote: From: Andrew Glasbrenner glasbren...@mindspring.com Subject: [amsat-bb] Re: Field day and FO29 To: kc6...@cox.net, AMSAT-BB amsat-bb@amsat.org Date: Saturday, June 20, 2009, 8:31 PM I believe FO-29 is operating continuously in Mode V/u analog at present. 73, Drew KO4MA - Original Message - From: Art McBride kc6...@cox.net To: AMSAT-BB amsat-bb@amsat.org Sent: Saturday, June 20, 2009 11:00 PM Subject: [amsat-bb] Field day and FO29 I need some help with the schedule for FO-29 The current listing schedule begins with July 1, And I need the schedule for June 27th 18:00 UTC to June 28th 18:00 UTC. Can anyone help me with this? Thanks, Art ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
